Qingdao Gerunwei Environmental Protection Technology Co., Ltd.

Qingdao Gerunwei Environmental Protection Technology Co., Ltd.

High-performance Phosphorus-free Ceramic Coating Agent & Full Line Metal Surface Pretreatment Chemicals Launched by Gerunwei

2026 07/31

 

Gerunwei Focuses on Eco-friendly Metal Pretreatment, Custom Chemical Solutions Help Global Clients Cut Costs & Boost Efficiency

Recently, Qingdao Gerunwei Environmental Protection Technology Co., Ltd. has expanded its global overseas market coverage. Leveraging integrated advantages in geographic location, independent R&D and sufficient production capacity, the enterprise provides one-stop supply of complete Metal Surface Pretreatment Chemicals for worldwide manufacturers, including six core categories: Phosphating Solution, Metal Degreaser, Water-based Anti-rust Agent, Phosphorus-free Ceramic Coating Agent and Custom Pretreatment Chemicals, comprehensively solving environmental, cost and quality challenges in pre-coating metal treatment.

Headquartered in Qingdao, Shandong Province, the factory is merely 13 kilometers away from Jiaodong International Airport and enjoys direct access to Qingdao Port. Smooth air and sea logistics greatly shorten lead times for overseas orders and guarantee stable bulk delivery. The annual production capacity exceeds 12,000 tons, fully supporting long-term mass procurement from large overseas manufacturers. Our chemicals are widely applied in home appliances, new energy vehicles, construction machinery, hardware fittings, solar energy and dozens of other industries, perfectly matching electrophoresis, electrostatic spraying and paint coating post-processes.

Supported by an independent in-house R&D team, Gerunwei develops tailor-made Custom Pretreatment Chemicals according to clients’ workpiece materials, production conditions and local environmental standards. All raw materials are eco-friendly, with dual certifications of ISO9001 Quality Management System and ISO14001 Environmental Management System. Our flagship Phosphorus-free Ceramic Coating Agent and new rare earth film-forming agent outperform traditional zinc-based Phosphating Solution, eliminating pollution risks of high-phosphorus wastewater. Supporting Metal Degreaser delivers stable degreasing performance for aluminum, stainless steel, copper and coiled steel, while long-lasting Water-based Anti-rust Agent extends storage anti-rust duration for workpieces. The full product portfolio effectively lowers clients’ overall costs on wastewater treatment and rework rejection.

Benefiting from mature mass production technology and efficient internal operation teams, Gerunwei strictly controls operational expenses and delivers cost-effective Metal Surface Pretreatment Chemicals to global partners. Committed to integrity-based operation, the company has won the "Trustworthy Business Commitment Unit" medal. Gerunwei now welcomes global distributors and buyers to visit our factory for field inspection, to customize eco-friendly pretreatment chemical formulas matching your production lines, and jointly promote low-carbon transformation of the global coating industry.